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What are LCD screens made of?
The liquid crystal material of a liquid crystal display (LCD) is sandwiched between two pieces of glass. Without any voltage applied between the transparent electrodes, the liquid crystal molecules are aligned parallel to the glass surface.

Is the LCD plastic or glass?
Glass LCDs consist of a glass back panel containing thin film transistors (TFTs) and a glass front panel containing color filters. Between these glass sheets are liquid crystal (LC) cells – light switches that block light from passing through to the viewer.

What is the LCD screen used for?
LCDs are commonly used in portable electronic games, viewfinders for digital cameras and camcorders, video projection systems, electronic billboards, computer monitors, and flat-panel televisions.

Which devices use LCD screens?
Small LCD screens are commonly found in LCD projectors and portable consumer devices such as digital cameras, watches, digital clocks, calculators, and mobile phones, including smartphones. LCD screens are also used in consumer electronics such as DVD players, video game devices, and clocks.